Practical Defense Systems is part of KBTN Inc., a GSA friendly company. What makes us GSA friendly is our commitment to excellence in everything we do, our small business size and the structure and ownership of our business.

KBTN Inc. is a woman owned, minority owned small business.

We are a California sub-chapter S corporation headquartered in San Diego County California:

  • Practical Defense Systems, a licensed training facility for security officers and police.
  • GunGuyTV, a producer of entertaining and informative internet based content about shooting, hunting, self-defense and the second amendment.

We provide California security officers with top quality training that is available online 24/7/365.  Our ability to provide officers with ongoing, state of the art advanced training ensures that security officers are better trained, more up-to-date, more professional and better equipped to meet their client’s needs.

Our training staff at Practical Defense Systems reviews officer feedback and client needs on a monthly basis, adjusting existing programs and adding new training curricula whenever needed.  In this way our training is constantly updated and remains current and relevant to the needs of our clients and officers.


  • California Corporation ID #3481139
  • DUNS # 044328894
  • NAICS #611519
  • CAGE Code #69AE8
  • Cal BSIS Firearms Training Facility # TFF-1296
  • Cal BSIS Baton Training Facility # TFB-1197